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Science News for July 15, 2001


New study tightens the link between smoking and early menopause

Scientists at Massachusetts General Hospital discovered how smoking leads to premature ovarian failure by identifying a mechanism triggered by polycyclic aromatic hydrocarbons (PAHs) in tobacco smoke. The findings support the hypothesis that PAH-induced egg cell death contributes to early menopause in women smokers.

SourceMassachusetts General Hospital·JournalNature Genetics·DateJul 15, 2001

Pregnancy, drugs & alcohol, emotional instability: what nightmares are made of

A study of 170 pregnant women in treatment for drug dependency found that those with co-occurring alcohol problems have more severe psychological issues, including depression and anxiety. The findings highlight the need for universal screening and tailored treatment approaches to address these women's unique needs.

SourceAlcoholism: Clinical & Experimental Research·DateJul 15, 2001

Two new studies look at role of personality and work demands in health and safety on the job

New research reveals that introverted firefighters are more likely to experience higher injury rates due to reluctance to call for assistance. The study also found that ignoring safety rules can lead to severe injuries and delayed recovery from work-related injuries, especially for married female firefighters. Additionally, chronic noi...

SourceAmerican Psychological Association·JournalJournal of Occupational Health Psychology·DateJul 15, 2001
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When alcohol and nicotine interact

Research confirms that nicotine reduces peak blood alcohol concentrations, leading to increased consumption of alcohol to achieve intoxication. This interaction can result in adverse effects on the liver, heart, and brain.

SourceAlcoholism: Clinical & Experimental Research·DateJul 15, 2001

Untangling the matrix of risk factors for alcoholism

Research finds a link between family history of alcoholism, serotonin variation, and behavioral problems in children. Children with a genetic variant associated with increased serotonin reuptake are more likely to exhibit impulsivity, depression, and anxiety.

SourceAlcoholism: Clinical & Experimental Research·DateJul 15, 2001